+ def _write_info_json(self, label, ie_result, infofn):
+ ''' Write infojson and returns True = written, False = skip, None = error '''
+ if not self.params.get('writeinfojson'):
+ return False
+ elif not infofn:
+ self.write_debug(f'Skipping writing {label} infojson')
+ return False
+ elif not self._ensure_dir_exists(infofn):
+ return None
+ elif not self.params.get('overwrites', True) and os.path.exists(infofn):
+ self.to_screen(f'[info] {label.title()} metadata is already present')
+ else:
+ self.to_screen(f'[info] Writing {label} metadata as JSON to: {infofn}')
+ try:
+ write_json_file(self.sanitize_info(ie_result, self.params.get('clean_infojson', True)), infofn)
+ except (OSError, IOError):
+ self.report_error(f'Cannot write {label} metadata to JSON file {infofn}')
+ return None
+ return True
+
+ def _write_description(self, label, ie_result, descfn):
+ ''' Write description and returns True = written, False = skip, None = error '''
+ if not self.params.get('writedescription'):
+ return False
+ elif not descfn:
+ self.write_debug(f'Skipping writing {label} description')
+ return False
+ elif not self._ensure_dir_exists(descfn):
+ return None
+ elif not self.params.get('overwrites', True) and os.path.exists(descfn):
+ self.to_screen(f'[info] {label.title()} description is already present')
+ elif ie_result.get('description') is None:
+ self.report_warning(f'There\'s no {label} description to write')
+ return False
+ else:
+ try:
+ self.to_screen(f'[info] Writing {label} description to: {descfn}')
+ with io.open(encodeFilename(descfn), 'w', encoding='utf-8') as descfile:
+ descfile.write(ie_result['description'])
+ except (OSError, IOError):
+ self.report_error(f'Cannot write {label} description file {descfn}')
+ return None
+ return True
+
+ def _write_subtitles(self, info_dict, filename):
+ ''' Write subtitles to file and return list of (sub_filename, final_sub_filename); or None if error'''
+ ret = []
+ subtitles = info_dict.get('requested_subtitles')
+ if not subtitles or not (self.params.get('writesubtitles') or self.params.get('writeautomaticsub')):
+ # subtitles download errors are already managed as troubles in relevant IE
+ # that way it will silently go on when used with unsupporting IE
+ return ret
+
+ sub_filename_base = self.prepare_filename(info_dict, 'subtitle')
+ if not sub_filename_base:
+ self.to_screen('[info] Skipping writing video subtitles')
+ return ret
+ for sub_lang, sub_info in subtitles.items():
+ sub_format = sub_info['ext']
+ sub_filename = subtitles_filename(filename, sub_lang, sub_format, info_dict.get('ext'))
+ sub_filename_final = subtitles_filename(sub_filename_base, sub_lang, sub_format, info_dict.get('ext'))
+ if not self.params.get('overwrites', True) and os.path.exists(sub_filename):
+ self.to_screen(f'[info] Video subtitle {sub_lang}.{sub_format} is already present')
+ sub_info['filepath'] = sub_filename
+ ret.append((sub_filename, sub_filename_final))
+ continue
+
+ self.to_screen(f'[info] Writing video subtitles to: {sub_filename}')
+ if sub_info.get('data') is not None:
+ try:
+ # Use newline='' to prevent conversion of newline characters
+ # See https://github.com/ytdl-org/youtube-dl/issues/10268
+ with io.open(sub_filename, 'w', encoding='utf-8', newline='') as subfile:
+ subfile.write(sub_info['data'])
+ sub_info['filepath'] = sub_filename
+ ret.append((sub_filename, sub_filename_final))
+ continue
+ except (OSError, IOError):
+ self.report_error(f'Cannot write video subtitles file {sub_filename}')
+ return None
+
+ try:
+ sub_copy = sub_info.copy()
+ sub_copy.setdefault('http_headers', info_dict.get('http_headers'))
+ self.dl(sub_filename, sub_copy, subtitle=True)
+ sub_info['filepath'] = sub_filename
+ ret.append((sub_filename, sub_filename_final))
+ except (ExtractorError, IOError, OSError, ValueError) + network_exceptions as err:
+ self.report_warning(f'Unable to download video subtitles for {sub_lang!r}: {err}')
+ continue
+ return ret
+
+ def _write_thumbnails(self, label, info_dict, filename, thumb_filename_base=None):
+ ''' Write thumbnails to file and return list of (thumb_filename, final_thumb_filename) '''